CN109264583A - Crane job duration monitors system and monitoring method - Google Patents

Crane job duration monitors system and monitoring method Download PDF

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Publication number
CN109264583A
CN109264583A CN201811513593.6A CN201811513593A CN109264583A CN 109264583 A CN109264583 A CN 109264583A CN 201811513593 A CN201811513593 A CN 201811513593A CN 109264583 A CN109264583 A CN 109264583A
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China
Prior art keywords
crane
state
engine
duration
timing
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CN201811513593.6A
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Chinese (zh)
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CN109264583B (en
Inventor
曹书苾
齐先武
康禹乐
李波
刘强
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Publication of CN109264583A publication Critical patent/CN109264583A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/18Control systems or devices
    • B66C13/40Applications of devices for transmitting control pulses; Applications of remote control devices

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Control And Safety Of Cranes (AREA)

Abstract

The embodiment of the present invention provides a kind of crane job duration monitoring system and monitoring method, crane includes for for crane running and hanging and carrying the engine for providing power and the hydraulic oil pump acted of getting on the bus for driving crane, and crane job duration monitoring system includes: detection device, for detecting the pressure of hydraulic oil pump outlet;And control device, for obtaining the pressure of detection device hydraulic oil pump detected outlet, and judge according to the pressure that hydraulic oil pump exports the operating mode of the crane, and when crane be in different working modes to the progress timing of engine operation duration.Through the above technical solution, the pressure value of the hydraulic oil pump outlet for the crane that control device is detected according to detection device judges the different working modes of crane, and engine operation duration when being in different working modes to crane carries out timing, judgment method is simple, and timing result is accurate, so that calculated crane job efficiency is also more accurate.

Description

Crane job duration monitors system and monitoring method
Technical field
The present invention relates to crane fields, monitor system and monitoring method more particularly to a kind of crane job duration.
Background technique
Crane is a kind of widely applied engineering machinery, and crane job mode is divided into driving mode and hangs load mode. Driving mode is divided into two kinds of working conditions of traveling and parking again;It hangs load mode and is divided into two kinds of working conditions of load and empty hook again.It rises Heavy-duty machine also needs to be implemented different movements when being in different working condition.
And the crane job duration data used when calculating the operating efficiency of crane in the prior art simply mean to start The total working duration of machine, when there is no distinguishing driving mode and hang the work of engine under two kinds of different work modes of load mode It is long, area is not also carried out respectively to engine operation duration used in the movement different with execution of different working condition under both of which Divide and calculate, so that calculated crane job efficiency is inaccurate.
Summary of the invention
In order to solve in the prior art to the engine operation duration data of crane using when cannot distinguish between different mode, The problem of different conditions are with engine operation duration when the different movements of execution, the embodiment of the present invention provides a kind of crane job Duration monitors system, and the crane includes for providing the engine of power and for driving with load is hung for crane running The hydraulic oil pump acted of getting on the bus of the crane, and crane job duration monitoring system includes: detection device, For detecting the pressure of the hydraulic oil pump outlet;And control device, it is detected described for obtaining the detection device The pressure of hydraulic oil pump outlet, and the operating mode of the crane is judged according to the pressure that the hydraulic oil pump exports, and Timing is carried out to the engine operation duration when the crane is in different working modes.
Optionally, the crane job duration monitors system further include: first obtains module, logical with the control device Letter, for obtaining the engine speed of the crane;The control device is also used to obtain acquired in module described first The engine speed of the crane timing is carried out to the engine operation duration when being greater than idle speed value, and by timing result It is determined as the engine total working duration of the crane.
Optionally, the control device judges the operating mode of the crane and is in different operating in the crane Carrying out timing to engine operation duration when mode includes: to determine institute when the pressure of hydraulic oil pump outlet is greater than zero It states crane and is in load mode of hanging, and timing is carried out to engine operation duration when the crane is in and hangs load mode, with And timing result is determined as the crane in the first operating time of engine for hanging load mode;It is pumped out in the hydraulic oil Mouthful pressure when being equal to zero, hair when determining that the crane is in driving mode, and being in driving mode to the crane Motivation operating time carries out timing, and timing result is determined as the second work of engine that the crane is in driving mode Make duration.
Optionally, the crane job duration monitors system further include: second obtains module, logical with the control device Letter, for obtaining the speed of the crane;The control device is also used to when the crane is in driving mode, according to Whether the speed of the crane acquired in the second acquisition module, which is greater than zero, determines that the crane is in travel condition Or halted state, and the engine operation duration of the travel condition or the halted state is correspondingly in the crane Carry out timing.
Optionally, the crane job duration monitors system further include: third obtains module, logical with the control device Letter hangs loading capacity for obtain the crane;The control device is also used to when the crane is in and hangs load mode, According to the size of the empty hook weight for hanging loading capacity and the crane of the crane acquired in third acquisition module Relationship determines that the crane is in and hangs load mode band load state or empty hook-shaped state, and is correspondingly in institute to the crane It states and carries out timing with the engine operation duration of load state or the hook-shaped state of sky.
Optionally, the control device is also used to when the crane is in band load state or empty hook-shaped state, according to institute The size relation for stating pressure and pressure set points that the hydraulic oil pump that detection device detects exports determines the crane Get on the bus whether have movement, and determine that crane is in band load state and has that movement, band carry state attonity, empty hook-shaped state has movement With empty hook-shaped state attonity, and band load state is in the crane has that movement, band carry state attonity, empty hook-shaped state has Engine operation duration when movement or empty hook-shaped state attonity carries out timing, wherein the pressure of the hydraulic oil pump outlet is big When the pressure set points, determine that getting on the bus for the crane has movement;It is on the contrary, it is determined that the crane it is upper Vehicle is not operating.
According to another aspect of an embodiment of the present invention, a kind of crane job duration monitoring method, the lifting are also provided Machine includes for for crane running and hanging and carrying the engine for providing power and progress of getting on the bus for driving the crane The hydraulic oil pump of movement, and the crane job duration monitoring method includes: the pressure of the detection hydraulic oil pump outlet;Root The operating mode of the crane is judged according to the pressure that the hydraulic oil pump exports, and is in different operating mould in the crane Timing is carried out to the engine operation duration when formula.
Optionally, the crane job duration monitoring method further include: obtain the engine speed of the crane;? Timing is carried out to the engine operation duration when engine speed of the crane is greater than idle speed value, and timing result is true It is set to the engine total working duration of the crane.
Optionally, the operating mode of the judgement crane and when being in different working modes to the crane It includes: to determine at the crane when the pressure of hydraulic oil pump outlet is greater than zero that engine operation duration, which carries out timing, In hanging load mode, and engine operation duration when hanging load mode is in the crane and carries out timing, and by timing knot Fruit is determined as the crane and is in the first operating time of engine for hanging load mode;Pressure etc. in hydraulic oil pump outlet When engine operation when zero, determining that the crane is in driving mode, and being in driving mode to the crane It is long to carry out timing, and timing result is determined as the second operating time of engine that the crane is in driving mode.
Optionally, it includes: to obtain institute that engine operation duration when being in driving mode to crane, which carries out timing, State the speed of crane;Determine that the crane is in travel condition or stopping according to whether the speed of the crane is greater than zero State, and the engine operation duration for being correspondingly in the travel condition or the halted state to the crane is counted When.
Optionally, it is described to crane be in hang load mode when engine operation duration carry out timing include: obtain institute That states crane hangs loading capacity;According to the size relation of the empty hook weight for hanging loading capacity and the crane of the crane, It determines that the crane is in and hangs load mode band load state or empty hook-shaped state, and the band correspondingly is in the crane and is carried The engine operation duration of state or the hook-shaped state of sky carries out timing.
Optionally, described that the engine operation duration that the band carries state or the hook-shaped state of sky is in the crane The size relation that timing includes: the pressure and pressure set points according to hydraulic oil pump outlet is carried out, determines the crane Get on the bus whether have movement, and determine that crane is in band load state and has that movement, band carry state attonity, empty hook-shaped state has movement Or empty hook-shaped state attonity, and engine operation duration progress timing when be in following any state to the crane: Band load state has movement, band to carry state attonity, empty hook-shaped state has movement or empty hook-shaped state attonity, wherein the hydraulic oil When the pressure of pump discharge is greater than or equal to the pressure set points, determine that getting on the bus for the crane has movement;It is on the contrary, it is determined that Getting on the bus for the crane is not operating.
Through the above technical solutions, the pressure that the hydraulic oil pump for the crane that control device is detected according to detection device exports Force value judges the different working modes of crane, and engine operation duration when being in different working modes to crane carries out Timing, judgment method is simple, and timing result is accurate, so that calculated crane job efficiency is also more accurate.
The other feature and advantage of the embodiment of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to the embodiment of the present invention, and constitute part of specification, under The specific embodiment in face is used to explain the present invention embodiment together, but does not constitute the limitation to the embodiment of the present invention.Attached In figure:
Fig. 1 is the structural schematic diagram of crane job duration monitoring system provided in an embodiment of the present invention;
Fig. 2 is that the exemplary structure of crane job duration monitoring systematic difference provided in an embodiment of the present invention and principle are shown It is intended to;
Fig. 3 is the flow chart of crane job duration monitoring method provided in an embodiment of the present invention;
Fig. 4 is crane job duration monitoring method provided in an embodiment of the present invention using exemplary flow chart.
Description of symbols
1, detection device 2, control device
3, pressure sensor 4, vehicle speed sensor
5, limiter of moment 6, Engine ECU
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the embodiment of the present invention.It should be understood that this Locate described specific embodiment and be merely to illustrate and explain the present invention embodiment, is not intended to restrict the invention embodiment.
Crane in the embodiment of the present invention include for for crane running and hang carry provide power engine and For driving the hydraulic oil pump acted of getting on the bus of crane.It is to the term that may be used in description of the invention below It explains:
Engine operation duration: the operating duration of engine.
Power takeoff signal in place: engine output power is switched to operation of getting on the bus by chassis running and driving system by crane The signal of drive system.
Single-shot crane: only configuring the crane of an engine, and crane running is mentioned using this engine with load is hung For power.
Double initiation heavy-duty machines: the crane of two engines of configuration, an engine are located at chassis, provide for crane running Power;Another engine, which is located at, gets on the bus, and hangs load for crane and provides power.
Wheeled crane is got on the bus movement: mainly being included hoisting arm expansion movement, rotation of rotary table movement, elevator spinning movement, is hung Arm pitching motion.
Empty hook: wheeled crane is in and hangs load mode, does not carry out hanging load.
Load mode and driving mode are hung in addition, being divided into the different working modes of crane in the embodiment of the present invention, then will The driving mode is divided into travel condition and halted state, will hang load mode and is divided into band load state and empty hook-shaped state, meanwhile, band carries State further includes that band is loaded with movement and with attonity is carried, empty hook-shaped state further includes that sky hook has movement and empty hook attonity.But it needs Bright, the embodiment of the present invention is not restricted to this division mode.
Fig. 1 is the structural schematic diagram of crane job duration monitoring system provided in an embodiment of the present invention, as shown in Figure 1, It includes: detection device 1 that crane job duration, which monitors system, the pressure that the hydraulic oil pump for detecting crane exports;And Control device 2, for obtaining the pressure of the hydraulic oil pump detected of detection device 1 outlet, and the pressure exported according to hydraulic oil pump Power judges the operating mode of the crane, and when the crane is in different working modes to the engine operation Duration carries out timing.
Wherein, detection device 1 can use pressure sensor 3, be mounted on hydraulic oil pump delivery outlet.
Preferably, crane job duration monitors system further include: first obtains module (not shown), fills with control 2 communications are set, for obtaining the engine speed of crane;Control device 2 is also used to obtain lifting acquired in module first Timing is carried out to engine operation duration when the engine speed of machine is greater than idle speed value, and timing result is determined as crane Engine total working duration, wherein idle speed value refers to the minimum engine speed for maintaining engine rotation.
Wherein, the first acquisition module can be Engine ECU (Electronic Control Unit), and control device 2 is logical Bus connection Engine ECU is crossed, the total working duration and engine speed letter of engine can be read directly from Engine ECU Number.It should be noted that control device 2 can also take the total working duration of other modes acquisition engine.
Preferably, the judgement crane when pressure that hydraulic oil pump exports is greater than zero of control device 2, which is in, hangs load mould Formula, and timing is carried out to engine operation duration when crane is in and hangs load mode, and timing result is determined as lifting Machine is in the first operating time of engine for hanging load mode.
Further, control device 2 determines that the crane is in when the pressure that the hydraulic oil pump exports is equal to zero Driving mode, and engine operation duration when being in driving mode to crane carries out timing, and timing result is determined The second operating time of engine of driving mode is in for crane.
In above scheme, control device 2 is in engine duration when hanging load mode and driving mode to crane and distinguishes Timing is carried out, it should be noted that control device 2 can also engine total working duration to crane, engine first The two in the second operating time of operating time and engine carries out timing, and the total working duration of engine is combined to be equal to hair First operating time of motivation and the relationship of the sum of the second operating time, calculate the other one for not carrying out timing.
In following proposal, when crane is in each operating mode, each working condition and whether has movement to hair Motivation operating time carries out timing, and similar calculation method is equally applicable.
Preferably, crane job duration monitors system further include: second obtains module (not shown), fills with control 2 communications are set, for obtaining the speed of crane;Control device 2 is also used to obtain when crane is in driving mode according to second Whether the speed of crane acquired in modulus block, which is greater than zero, determines that crane is in travel condition or halted state, and correspondingly The engine operation duration for being in the travel condition or the halted state to crane carries out timing.
Further, when speed is greater than zero, control device 2 determines that crane is in travel condition;When speed is equal to zero When, control device 2 determines that crane is in halted state.
Wherein, the second acquisition module can be vehicle speed sensor, the speed signal acquired in it can be transmitted to control Device 2.
Preferably, crane job duration monitors system further include: third obtains module (not shown), fills with control 2 communications are set, hang loading capacity for obtain crane;Control device 2 is also used to when crane is in and hangs load mode, according to the Three obtain the size relation of the empty hook weight for hanging loading capacity and crane of crane acquired in module, determine that crane is in It hangs load mode band and carries state or empty hook-shaped state, and be correspondingly in the engine with the state of load or empty hook-shaped state to the crane Operating time carries out timing.
Further, control device 2 when hanging loading capacity greater than empty hook weight, determines that crane is in and hangs load in crane Mode band carries state;It is on the contrary, it is determined that crane, which is in, hangs the empty hook-shaped state of load mode, and hollow hook-shaped state refers to that crane is in Hang load mode, but do not carry out hanging load, empty hook weight when crane is designed it has been determined that each crane or each The empty hook of the crane of model varies in weight.
Wherein, third, which obtains module, can be limiter of moment, and control device 2 is obtained by bus from the limiter of moment Take crane hangs loading capacity.
Preferably, control device 2 is also used to when crane is in band load state or empty hook-shaped state, according to detection device 1 What the pressure of hydraulic oil pump outlet and the size relation of pressure set points detected determined crane gets on the bus whether have movement, and Being in band load state to crane respectively has movement, band load state attonity, empty hook-shaped state to have movement and empty hook-shaped state attonity Engine operation duration carry out timing, wherein hydraulic oil pump outlet pressure be greater than or equal to pressure set points when, determine institute Stating getting on the bus for crane has movement;It is on the contrary, it is determined that getting on the bus for the crane is not operating.
Fig. 2 is the exemplary structure of crane job duration monitoring systematic difference and original that the present invention implements that embodiment provides Schematic diagram is managed, as shown in Fig. 2, the control device 2 of crane connects Engine ECU 6 by bus, it can be directly from engine The total working duration and engine rotational speed signal of engine are read in ECU 6.In addition, control device 2 is by being mounted on hydraulic oil The pressure sensor 3 for pumping delivery outlet obtains the pressure of hydraulic oil pump delivery outlet, and the vehicle of crane is obtained by vehicle speed sensor 4 Speed hangs loading capacity by the acquisition crane of limiter of moment 5.
Other implementation details that crane job duration monitors system are thin with the implementation of crane job duration monitoring method Section, will be described below, details are not described herein again.
Fig. 3 is the flow chart for the crane job duration monitoring method that the embodiment of the present invention provides, and crane includes using In for crane running and hanging and carry the engine for providing power and the liquid acted of getting on the bus for driving the crane Pressure oil pump, as shown in figure 3, crane job duration monitoring method may comprise steps of:
The pressure that S101, the detection hydraulic oil pump export.
Hydraulic oil pump, which needs motor to carry out driving, to work, while hydraulic oil pump is that getting on the bus for crane of driving is moved The equipment of work, therefore can judge whether getting on the bus for crane has movement by the pressure of detection hydraulic oil pump outlet, namely sentence Disconnected crane, which is in, hangs load mode or driving mode.
S102, the operating mode that the crane is judged according to the pressure that the hydraulic oil pump exports.
When the pressure of hydraulic oil pump outlet is greater than zero, determines that crane is in and hang load mode;When hydraulic oil pump outlet When pressure is equal to zero, determine that crane is in driving mode.Load mode or row are hung it should be noted that being in above to crane Whether the judgement for sailing mode, the in running order pressure further according to hydraulic oil pump outlet of the engine based on crane are greater than zero Determine that crane is in and hangs load mode or driving mode.
Preferably, the operating mode of crane whether can also be judged in place according to the power takeoff signal of crane, In, when the power takeoff signal of crane in place when, determine crane be in hangs load mode;If in engine working process, power taking Device signal in place, does not determine that crane is in driving mode.
S103, timing is carried out to the engine operation duration when the crane is in different working modes.
After determining the current operating mode of crane in step s 102, when can be in different working modes to crane Engine operation duration carries out timing respectively.
Specifically, when the pressure in hydraulic oil pump outlet is greater than zero, determines that the crane is in and hang load mode, and is right Crane is in engine operation duration when hanging load mode and carries out timing, and timing result is determined as crane is in hang The first operating time of engine of load mode;When pressure in hydraulic oil pump outlet is equal to zero, determine that crane is in traveling mould Formula, and engine operation duration when being in driving mode to crane carries out timing, and timing result is determined as lifting Machine is in the second operating time of engine of driving mode.
Further, crane can also be counted in one of operating mode for hanging load mode or driving mode When, and using the difference of the engine total working duration of crane and the engine operation duration of the operating mode of institute's timing as another A kind of engine operation duration of outer operating mode, wherein the engine total working duration of crane can be directly from engine It reads in ECU or is obtained using other modes.
For example, the engine operation duration progress timing for hanging load mode is only in crane, by the engine of crane The difference that total working duration and crane are in the engine operation duration for hanging load mode is in driving mode as crane Engine operation duration.
Preferably, crane job duration monitoring method further include: obtain the engine speed of crane;In the lifting Timing is carried out to the engine operation duration when engine speed of machine is greater than idle speed value, and timing result is determined as described The engine total working duration of crane.Wherein, idle speed value is the minimum engine speed for maintaining engine to be rotated.
The operating time of engine is supervised when being in the different working condition for hanging load mode and driving mode to crane below Survey method is introduced.
When crane is in driving mode, the speed of crane is obtained, is determined according to whether the speed of crane is greater than zero Crane is in travel condition or halted state, and is correspondingly in the travel condition or the stopping shape to the crane The engine operation duration of state carries out timing.
Preferably, determine that crane is in traveling mode halted state when the speed of crane is equal to zero;Work as crane Speed be greater than zero when determine crane be in driving mode travel condition.Need to illustrate when, herein, holding also can be set The minimum speed setting value that vehicle moves forward or back determines that crane is in traveling when speed is greater than the minimum speed setting value Mode.
For crane in when hanging load mode, obtain the crane hangs loading capacity;Load-carrying is hung according to the crane The size relation of amount and the empty hook weight of crane determines that the crane carries state or empty hook-shaped state in load mode band is hung, And the engine operation duration progress timing that the band carries state or the hook-shaped state of sky correspondingly is in the crane.
Preferably, it in crane when hanging loading capacity greater than empty hook weight, determines that crane is in and hangs load mode band load shape State;It is on the contrary, it is determined that crane, which is in, hangs the empty hook-shaped state of load mode, and hollow hook-shaped state refers to that crane is in and hangs load mode, But it does not carry out hanging load, empty hook weight is when crane is designed it has been determined that of each crane or each model The empty hook of heavy-duty machine varies in weight.
Further, when crane is in band and carries state or empty hook-shaped state, according to the pressure of hydraulic oil pump outlet with The size relation of pressure set points, further determine that the crane gets on the bus whether have movement, and is in the crane Engine operation duration when following any state carries out timing: band load state has movement, band to carry state attonity, empty hook-shaped state There are movement and empty hook-shaped state attonity.
For example, the pressure of hydraulic oil pump outlet is greater than pressure set points when crane is in band and carries state, then illustrate Getting on the bus for heavy-duty machine has movement, determines that crane is in band load state and has a movement, and is in crane and has movement with load state Engine operation duration carries out timing.
Fig. 4 is crane job duration monitoring method provided in an embodiment of the present invention using exemplary flow chart.Such as Fig. 4 It is shown, firstly, determine that crane is working in the case where the revolving speed of engine is greater than or equal to idle speed value, secondly, according to Whether the pressure of hydraulic oil pump outlet, which is greater than zero, determines that crane is in driving mode or hangs load mode, and is in row to crane When sailing engine operation duration progress timing when mode, and engine total working duration and crane being in driving mode The difference of engine operation duration engine operation duration when hanging load mode is in as crane.
When crane is in driving mode and speed is equal to zero, determine that crane is in driving mode halted state, and The engine operation duration for being in driving mode halted state to crane carries out timing, and crane is in driving mode Engine operation duration be in driving mode travel condition as crane in the difference of driving mode halted state Engine operation duration.
When crane is in and hangs load mode and hang loading capacity greater than empty hook weight, determines that crane is in and hangs load mode band Load state, and crane is in and hangs the engine operation duration progress timing that load mode band carries state, and will be at crane Engine operation duration when hanging load mode with hang load mode band carry state engine operation duration difference as lifting Machine is in the engine operation duration for hanging the empty hook-shaped state of load mode.
Further, the pressure with the state of load and hydraulic oil pump outlet is in crane be less than or equal to pressure set points When Pp, when determining that crane is in band and carries state attonity, and being in crane with the engine operation for carrying state attonity It is long to carry out timing, and by crane in the engine operation duration with the state of load and with the engine work for carrying state attonity The difference for making duration is in the engine operation duration for having movement with load state as crane.Unloaded shape is in for crane When state, the progress when engine operation that can be in zero load to crane using same method when having movement and unloaded attonity Row timing and calculating.
It should be noted that the above-mentioned engine operation duration to crane carries out the process of timing in the hair of crane It is carried out on the basis of motivation is in running order, such as: determine that crane is in traveling when the pressure of hydraulic oil pump is equal to zero Mode and the engine operation duration for being in driving mode to crane carry out timing, determine when the speed of engine is equal to zero The crane is in the halted state etc. of driving mode.
Whether crane is in has movement that can also be returned according to hoisting arm expansion sensor, the turntable of crane when hanging load mode The testing result for turning sensor, elevator rotation sensor and boom pitch sensor is judged, as long as wherein the sensor In have one movement then determine getting on the bus for crane have movement.It is also possible to be distinguished according to the testing result of the sensor Determine crane be in hang whether executed when load mode band carries state and empty hook-shaped state hoisting arm expansion movement, rotation of rotary table movement, Elevator spinning movement or boom pitching motion, and the engine operation duration for the moment of above-mentioned movement is correspondingly executed to crane Carry out timing.
Single-shot crane is suitable for the timing of the engine operation duration of crane in above scheme, for double initiations weight Machine, it is only necessary to when the engine operation of upper car engine is added with the operating time of engine in situ to you can get it crane is total It is long, and crane is in a length of engine operation duration of getting on the bus when engine operation when hanging load mode, crane is in traveling A length of engine in situ operating time when engine operation when mode.
Through the above technical solutions, the pressure that the hydraulic oil pump for the crane that control device is detected according to detection device exports Force value judges the driving mode of crane and hangs load mode, and when engine operation when being in different working modes to crane Long to carry out timing, judgment method is simple, and timing result is accurate, so that calculated crane job efficiency is also more accurate.
In addition, in the embodiment of the present invention according to speed by the driving mode of crane be divided into travel condition and halted state, It is divided into band load state and empty hook-shaped state, and the pressure exported by hydraulic oil pump to lifting according to hanging loading capacity and will hang load mode Whether machine has movement to be judged, the working condition of crane is carried out finer division, is conducive to calculating crane effect Rate post analysis goes out to influence the factor of lifting engine efficiency.
The optional embodiment of the embodiment of the present invention is described in detail in conjunction with attached drawing above, still, the embodiment of the present invention is simultaneously The detail being not limited in above embodiment can be to of the invention real in the range of the technology design of the embodiment of the present invention The technical solution for applying example carries out a variety of simple variants, these simple variants belong to the protection scope of the embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the embodiment of the present invention pair No further explanation will be given for various combinations of possible ways.
It will be appreciated by those skilled in the art that implementing the method for the above embodiments is that can pass through Program is completed to instruct relevant hardware, which is stored in a storage medium, including some instructions are used so that single Piece machine, chip or processor (processor) execute all or part of the steps of each embodiment the method for the application.And it is preceding The storage medium stated includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory The various media that can store program code such as (RAM, Random Access Memory), magnetic or disk.
In addition, any combination can also be carried out between a variety of different embodiments of the embodiment of the present invention, as long as it is not The thought of the embodiment of the present invention is violated, equally should be considered as disclosure of that of the embodiment of the present invention.

Claims (12)

1. a kind of crane job duration monitors system, which is characterized in that the crane include for for crane running and It hangs and carries the engine that power is provided and the hydraulic oil pump acted of getting on the bus for driving the crane, and the lifting Machine operation duration monitors system
Detection device, for detecting the pressure of the hydraulic oil pump outlet;And
Control device, for obtaining the pressure of the detection device hydraulic oil pump outlet detected, and according to the liquid The pressure of pressure oil pump discharge judges the operating mode of the crane, and when the crane is in different working modes pair The engine operation duration carries out timing.
2. crane job duration according to claim 1 monitors system, which is characterized in that the crane job duration Monitoring system further include:
First obtains module, communicates with the control device, for obtaining the engine speed of the crane;
The engine speed that the control device is also used to obtain the crane acquired in module described first is greater than idle Timing is carried out to the engine operation duration when speed value, and timing result is determined as to the engine total working of the crane Duration.
3. crane job duration according to claim 1 monitors system, which is characterized in that the control device judges institute It states the operating mode of crane and timing packet is carried out to engine operation duration when the crane is in different working modes It includes:
Determine that the crane is in when the pressure that the hydraulic oil pump exports is greater than zero and hang load mode, and at described Heavy-duty machine is in when hanging load mode and carries out timing to engine operation duration, and timing result is determined as the crane and is in Hang the first operating time of engine of load mode;
When pressure in hydraulic oil pump outlet is equal to zero, determine that the crane is in driving mode, and to the lifting Engine operation duration when machine is in driving mode carries out timing, and timing result is determined as the crane and is in row Sail the second operating time of engine of mode.
4. crane job duration according to claim 3 monitors system, which is characterized in that the crane job duration Monitoring system further include:
Second obtains module, communicates with the control device, for obtaining the speed of the crane;
The control device is also used to when the crane is in driving mode, is obtained acquired in module according to described second Whether the speed of the crane, which is greater than zero, determines that the crane is in travel condition or halted state, and correspondingly to described Crane is in the travel condition or the engine operation duration of the halted state carries out timing.
5. crane job duration according to claim 3 monitors system, which is characterized in that the crane job duration Monitoring system further include:
Third obtains module, communicates with the control device, hangs loading capacity for obtain the crane;
The control device is also used to when the crane is in and hangs load mode, according to acquired in third acquisition module The size relation of the empty hook weight for hanging loading capacity and the crane of the crane determines that the crane is in and hangs load mould Formula band carries state or empty hook-shaped state, and correspondingly be in band load state to the crane or the hook-shaped state of sky is started Machine operating time carries out timing.
6. crane job duration according to claim 5 monitors system, which is characterized in that the control device is also used to When the crane is in band and carries state or empty hook-shaped state, exported according to the hydraulic oil pump that the detection device detects Pressure and pressure set points size relation determine the crane get on the bus whether have movement, and determine at the crane In band load state has movement, band to carry state attonity, empty hook-shaped state has movement or empty hook-shaped state attonity, and correspondingly to rising Heavy-duty machine, which is in when having movement with load state, have movement and empty hook-shaped state attonity with load state attonity, empty hook-shaped state, to be started Machine operating time carries out timing,
Wherein, when the pressure of the hydraulic oil pump outlet is greater than or equal to the pressure set points, the upper of the crane is determined Vehicle has movement;It is on the contrary, it is determined that getting on the bus for the crane is not operating.
7. a kind of crane job duration monitoring method, which is characterized in that the crane include for for crane running and It hangs and carries the engine that power is provided and the hydraulic oil pump acted of getting on the bus for driving the crane, and the lifting Machine operation duration monitoring method includes:
Detect the pressure of the hydraulic oil pump outlet;
The operating mode of the crane is judged according to the pressure that the hydraulic oil pump exports, and is in difference in the crane Timing is carried out to the engine operation duration when operating mode.
8. crane job duration monitoring method according to claim 7, which is characterized in that the crane job duration Monitoring method further include:
Obtain the engine speed of the crane;
Timing is carried out to the engine operation duration when the engine speed of the crane is greater than idle speed value, and by timing As a result it is determined as the engine total working duration of the crane.
9. crane job duration monitoring method according to claim 7, which is characterized in that the judgement crane Operating mode and engine operation duration when being in different working modes to the crane carry out timing and include:
When pressure in hydraulic oil pump outlet is greater than zero, determines that the crane is in and hang load mode, and to the lifting Machine is in engine operation duration when hanging load mode and carries out timing, and timing result is determined as the crane is in hang The first operating time of engine of load mode;
When pressure in hydraulic oil pump outlet is equal to zero, determine that the crane is in driving mode, and to the lifting Engine operation duration when machine is in driving mode carries out timing, and timing result is determined as the crane and is in row Sail the second operating time of engine of mode.
10. crane job duration monitoring method according to claim 9, which is characterized in that described to be in crane Engine operation duration when driving mode carries out timing
Obtain the speed of the crane;
Determine that the crane is in travel condition or halted state according to whether the speed of the crane is greater than zero, and corresponding The engine operation duration that ground is in the travel condition or the halted state to the crane carries out timing.
11. crane job duration monitoring method according to claim 9, which is characterized in that described to be in crane Engine operation duration when hanging load mode carries out timing
Obtain the crane hangs loading capacity;
According to the size relation of the empty hook weight for hanging loading capacity and the crane of the crane, determine at the crane State or empty hook-shaped state are carried in hanging load mode band, and band load state correspondingly be in the crane or the sky is hook-shaped The engine operation duration of state carries out timing.
12. crane job duration monitoring method according to claim 11, which is characterized in that described to the crane The engine operation duration progress timing that state or the hook-shaped state of sky are carried in the band includes: to be pumped out according to the hydraulic oil The pressure of mouth and the size relation of pressure set points, determine the crane gets on the bus whether have movement, and determines at crane There are movement, band load state attonity, empty hook-shaped state to have movement or empty hook-shaped state attonity in band load state, and to the lifting Engine operation duration when machine is in following any state carries out timing: band load state has movement, band to carry state attonity, sky Hook-shaped state has movement or empty hook-shaped state attonity,
Wherein, when the pressure of the hydraulic oil pump outlet is greater than or equal to the pressure set points, the upper of the crane is determined Vehicle has movement;It is on the contrary, it is determined that getting on the bus for the crane is not operating.
CN201811513593.6A 2018-12-11 2018-12-11 Crane operation duration monitoring system and monitoring method Active CN109264583B (en)

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